muck vs spread out

muck is a noun but spread out is not a noun.

Word	Noun	Adjective	Verb	Adverb
muck	Yes	No	Yes	No
spread out	No	No	Yes	No

As verbs, spread out is a hypernym of muck; that is, spread out is a word with a broader meaning than muck:

Other hypernyms of muck include scatter, spread.

muck (noun)	spread out (noun)
any thick, viscous matter
fecal matter of animals

muck (verb)	spread out (verb)
remove muck, clear away muck, as in a mine	set out or stretch in a line, succession, or series
soil with mud, muck, or mire	spread out or open from a closed or folded state
spread manure, as for fertilization	move outward
	extend in one or more directions
	move away from each other
	turn outward
	strew or distribute over an area